complementary angles

two angles which sum up to 90 degrees (or π/2 radians)

en-US/ˌkɑmpləˈmɛntɹi ˈæŋɡəlz/
en-GB/kɒmplɪmɛntɹiː ˈæŋɡlz/

श्रेणियाँ:

dyad